Wrap Window in case it's a window from a different page / frame.

lib/html/scripts/generator.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import re
@@ skipping 519 matching lines @@
 #     All getters (setters) of type.
 #
 # where DIRECTION is 'get' for getters and operation return values, 'set' for
 # setters and operation arguments.  INTERFACE and MEMBER are the idl names.
 #
 
 _serialize_SSV = Conversion('_convertDartToNative_SerializedScriptValue',
                            'Dynamic', 'Dynamic')
 
 dart2js_conversions = {
+    # Wrap non-local Windows.  We need to check EventTarget (the base type)
+    # as well.  Note, there are no functions that take a non-local Window
+    # as a parameter / setter.
+    'DOMWindow get':
+      Conversion('_convertNativeToDart_Window', 'Window', 'Window'),
+    'EventTarget get':
+      Conversion('_convertNativeToDart_EventTarget', 'EventTarget',
+                 'EventTarget'),
+    'EventTarget set':
+      Conversion('_convertDartToNative_EventTarget', 'EventTarget',
+                 'EventTarget'),
+
     'IDBKey get':
       Conversion('_convertNativeToDart_IDBKey', 'Dynamic', 'Dynamic'),
     'IDBKey set':
       Conversion('_convertDartToNative_IDBKey', 'Dynamic', 'Dynamic'),
 
     'ImageData get':
       Conversion('_convertNativeToDart_ImageData', 'Dynamic', 'ImageData'),
     'ImageData set':
       Conversion('_convertDartToNative_ImageData', 'ImageData', 'Dynamic'),
 
@@ skipping 479 matching lines @@
     if type_data.clazz == 'Interface':
       if self._database.HasInterface(type_name):
         dart_interface_name = self._renamer.RenameInterface(
             self._database.GetInterface(type_name))
       else:
         dart_interface_name = type_name
       return InterfaceIDLTypeInfo(type_name, type_data, dart_interface_name)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)